Shimano Ultegra 600 Front Derailleur FD-6400 - Live4Bikes
Shimano Ultegra 600 Front Derailleur FD-6400 - Live4Bikes
Shimano Ultegra 600 Front Derailleur FD-6400 - Live4Bikes
Shimano Ultegra 600 Front Derailleur FD-6400 - Live4Bikes

Shimano Ultegra 600 Front Derailleur FD-6400 - Live4Bikes

Regular price
Sale price
Unit price
Shipping calculated at checkout.

 Reliving Cycling Heritage: The Shimano Ultegra 600 Front Derailleur FD-6400


Cycling enthusiasts often find themselves drawn to the timeless appeal of vintage cycling components. The SHIMANO Ultegra 600 Front Derailleur FD-6400, a classic piece from the 90s, is a testament to the enduring allure of cycling's golden era. With a braze-on design, a featherlight weight of 93 grams, and a bottom pull mechanism, this vintage front derailleur embodies the spirit of a bygone era. In this article, we'll delve into the specifications and features of the SHIMANO Ultegra 600 FD-6400 Front Derailleur and discuss why Live4Bikes is the ultimate destination for acquiring such precious relics of cycling history.

Key Features of the SHIMANO Ultegra 600 Front Derailleur FD-6400

  1. Vintage Elegance: The SHIMANO Ultegra 600 FD-6400 represents an era when cycling components were celebrated for their elegance and performance. This front derailleur captures the aesthetic charm and functional excellence that epitomized the cycling industry of the 90s.

  2. Braze-On Design: The braze-on design of this front derailleur allows for a clean and integrated installation on your bike frame. This style offers aerodynamic advantages and is a hallmark of classic road cycling.

  3. Lightweight Construction: Weighing a mere 93 grams, the Ultegra 600 FD-6400 is incredibly lightweight. This attribute minimizes the overall weight of your bike, contributing to improved speed and agility on the road.

  4. Bottom Pull Mechanism: The bottom pull mechanism is a distinctive feature of this vintage front derailleur. It pulls the cable from the bottom, guiding it through the frame to facilitate precise and smooth shifting.

  5. Historical Significance: As a product from the 90s, the SHIMANO Ultegra 600 FD-6400 holds historical significance, representing a pivotal era in cycling technology. Collectors and vintage cycling enthusiasts value components like this for their historical context and aesthetic appeal.

Why Purchase from Live4Bikes

  1. Expertise and Knowledge: Live4Bikes is a well-respected name in the cycling community, known for its extensive knowledge and experience in providing top-quality bicycle components. Their team of experts understands the unique charm of vintage cycling and ensures they stock premium products like the SHIMANO Ultegra 600 Front Derailleur FD-6400.

  2. Wide Selection: Live4Bikes offers a diverse range of bicycle components and accessories, catering to various cycling preferences. Whether you're a vintage cycling enthusiast or a modern rider, you'll discover products tailored to your specific requirements.

  3. Customer-Centric Approach: Live4Bikes places a strong emphasis on customer satisfaction, providing exceptional customer support to help you find the right components and address any questions you may have. They aim to make your shopping experience informative and enjoyable.

  4. Competitive Pricing: Live4Bikes offers competitive pricing on all their products, including vintage and rare components like the SHIMANO Ultegra 600 FD-6400 Front Derailleur. You can trust that you're receiving excellent value for your investment when you shop with them.

  5. Convenience: With an easy-to-navigate website and secure online ordering, Live4Bikes ensures convenience when purchasing vintage cycling treasures like the SHIMANO Ultegra 600 Front Derailleur. They also offer fast shipping options to minimize downtime and get you back on your classic bike swiftly.


The SHIMANO Ultegra 600 Front Derailleur FD-6400 is more than a mere bicycle component; it's a piece of cycling history. As a vintage gem from the 90s, it offers a unique connection to a glorious era of cycling, evoking nostalgia and the spirit of classic road cycling. When you choose to purchase through Live4Bikes, you're not just acquiring a piece of equipment; you're investing in a journey through time. Count on Live4Bikes' reputation for quality and expertise to provide you with top-notch vintage cycling gear, allowing you to relive the magic of cycling's golden age with authenticity and style.

Choosing the Right Bicycle Derailleur: A Comprehensive Guide

Bicycle derailleurs are crucial components that facilitate smooth gear shifting, allowing cyclists to adapt to varying terrains and conditions. Selecting the correct derailleur for your bike is essential for optimal performance and longevity. In this article, we'll delve into the key considerations when choosing a derailleur, including compatibility, gear matching, and brand options.

Compatibility: Shimano vs. SRAM

One of the most critical factors when choosing a derailleur is brand compatibility. Shimano and SRAM, two of the most prominent bicycle component manufacturers, use different derailleur designs and shifting technologies, making them generally incompatible. Attempting to mix these brands can lead to poor shifting performance, potential damage, and safety risks. Therefore, it's crucial to stick with one brand throughout your drivetrain system.

Shimano, Sunrace, and Suntour: Compatible Choices

On the other hand, Shimano, Sunrace, and Suntour derailleurs are generally compatible with one another. This means you have more flexibility in choosing components within this group. You can mix and match derailleurs, shifters, and cassettes from these brands to create a drivetrain that suits your riding style and preferences.

The Importance of Matching Gears

Matching the number of gears between your derailleur, shifter, and cassette is vital for smooth and reliable shifting. For example, if you have an 11-speed cassette, you should use an 11-speed shifter and derailleur. Mismatching gears can lead to poor shifting performance, potential damage to the components, and an overall unsatisfactory riding experience.

Factors to Consider When Choosing a Derailleur

1. Speed Compatibility**: Ensure that the derailleur is compatible with the number of gears on your cassette. Common options include 7, 8, 9, 10, 11, and 12-speed systems.

2. Mounting Type**: There are two main types of derailleurs - braze-on and clamp. Braze-on derailleurs attach directly to a mount on the frame, while clamp-style derailleurs attach around the seat tube using a band clamp.

3. Cage Length: Derailleurs come in short, medium, and long cage lengths. Short cages are suitable for road bikes and provide crisper shifting on flat terrain, while medium and long cages are designed for mountain bikes and accommodate a wider range of gears.

4. Max Cassette Size: Ensure that the derailleur can accommodate the largest cog on your cassette. This is especially important for mountain bikes, as they often have larger cassettes to tackle steep climbs.

5. Brand Compatibility: Stick with a single brand for all your drivetrain components to ensure optimal compatibility and performance.

Selecting the right derailleur for your bicycle is crucial for a smooth and efficient riding experience. Pay close attention to compatibility between brands, make sure the number of gears matches across components, and consider factors like cage length and cassette size. By taking these considerations into account, you can enjoy a reliable and high-performing drivetrain that suits your riding style and needs. 


 Upgrading Your Bicycle Derailleur: A Step-by-Step Guide

Upgrading your bicycle's derailleur can greatly improve its performance and extend its lifespan. However, it's crucial to do this correctly to ensure compatibility with your existing components. In this guide, we'll walk you through the process of upgrading your bicycle derailleur, covering essential considerations and steps.

 Things to Consider Before Upgrading

 1. Compatibility**:
- Ensure that the new derailleur is compatible with your bike's drivetrain. Consider factors like speed (e.g., 7-speed, 9-speed, 10-speed) and brand compatibility.

2. Mounting Type:
- Determine if your bike uses a direct mount derailleur or one that attaches to a derailleur hanger. This affects the type of derailleur you need to purchase.

 3. Cable Pull Ratio:
- Match the cable pull ratio of the new derailleur with the old one. This ratio dictates how much the derailleur moves for a given amount of cable pull.

4. Cassette and Chain Compatibility:
- Ensure that your new derailleur can handle your cassette's range and that it's compatible with your chain. Different speed cassettes may require specific derailleurs.

 5. Derailleur Cage Length:
- Choose the correct cage length based on your cassette size. Short cages are suitable for smaller cassettes, while long cages accommodate larger ones.

6. Tools:
- Gather necessary tools, including Allen wrenches, a cable cutter, a chain tool, and a derailleur hanger alignment tool (if needed).

 Step-by-Step Guide

 1. Prepare Your Bike:

- Clean the drivetrain and surrounding areas to ensure a smooth installation process.

2. Remove the Old Derailleur:

- Shift the chain onto the smallest chainring and smallest rear cog.
- Use an Allen wrench to remove the derailleur from the derailleur hanger or mount.

3. Install the New Derailleur:

- Attach the new derailleur to the hanger or mount. Ensure it's aligned properly.

4. Adjust the H-Limits:

- Set the high (H) and low (L) limit screws to prevent the chain from falling off. Use the barrel adjuster to fine-tune.

 5. Install the Chain:

- If you're replacing the chain, feed it through the derailleur and use a chain tool to connect the ends.

 6. Set the Cable Tension:

- Attach the cable to the derailleur, ensuring it's properly seated in the pinch bolt. Pull the cable tight and secure it.

 7. Fine-Tune Shifting:

- Shift through all gears to ensure smooth transitions. Adjust the barrel adjuster as needed.

 8. Check Derailleur Alignment:

- Use a derailleur hanger alignment tool to verify that the hanger is straight. Misalignment can cause shifting issues.

 9. Test Ride and Make Further Adjustments:

- Take your bike for a short ride, testing shifting under load. If necessary, make additional adjustments to achieve optimal performance.

Upgrading your bicycle's derailleur can significantly enhance your riding experience. By considering compatibility, using the right tools, and following these steps, you can ensure a smooth and successful upgrade. Remember to take your time, double-check all connections, and test thoroughly before hitting the road. Enjoy the improved performance of your upgraded derailleur!